
import java.io.IOException;
import java.io.PrintWriter;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.google.gdata.client.docs.*;
import com.google.gdata.data.PlainTextConstruct;

import com.google.gdata.data.docs.*;
import com.google.gdata.util.*;
import java.net.URL;

import javax.servlet.http.Cookie;
import java.io.File;

public class upload extends HttpServlet {

    DocsService client = new DocsService("yourCo-yourAppName-v1");
    Cookie cookieToken = null;

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException, ServiceException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        //

        //le os Cookies do usuario verificando se ha token de segurança        
        String cookieName = "cookieToken";//nome do cookie
        //quando não existe cookies associados, o método getCookies() retorna um valor null
        Cookie listaPossiveisCookies[] = request.getCookies();//lista de cookie
        if (listaPossiveisCookies != null) {
            int numCookies = listaPossiveisCookies.length;
            for (int i = 0; i < numCookies; ++i) {
                if (listaPossiveisCookies[i].getName().equals(cookieName)) { //procura pelo cookie
                    cookieToken = listaPossiveisCookies[i];
                    break;
                }
            }
        }
        client.setAuthSubToken(cookieToken.getValue());
        DocumentListEntry uploadedEntry = uploadFile(request.getParameter("endereco"), request.getParameter("titulo"));
        out.println("<P>Document now online @ :" + uploadedEntry.getHtmlLink().getHref() + "</P>");
        out.println("<P>Document now online Na pasta@ :" + uploadedEntry.getParentLinks() + "</P>");
        response.sendRedirect(request.getContextPath() + "/lista_arquivo.jsp");
    }
//Envia o arquivo para o docs
    public DocumentListEntry uploadFile(String filepath, String title)
            throws IOException, ServiceException {
        File file = new File(filepath);
        String mimeType = DocumentListEntry.MediaType.fromFileName(file.getName()).getMimeType();

        DocumentListEntry newDocument = new DocumentListEntry();
        newDocument.setFile(file, mimeType);
        newDocument.setTitle(new PlainTextConstruct(title));

        // Prevent collaborators from sharing the document with others?
        // newDocument.setWritersCanInvite(false);

        return client.insert(new URL("http://docs.google.com/feeds/default/private/full/"), newDocument);
    }

    // <editor-fold defaultstate="collapsed" desc="Métodos HttpServlet. Clique no sinal de + à esquerda para editar o código.">
    /**
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException,
            IOException {
        try {
            processRequest(request, response);
        } catch (ServiceException ex) {
            Logger.getLogger(upload.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException,
            IOException {
        try {
            processRequest(request, response);
        } catch (ServiceException ex) {
            Logger.getLogger(upload.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    /**
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
